Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

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Equine Herpesvirus- Neurologic

Maricopa County, AZ

Alert ID: 1205

March 26, 2019

Source: Arizona Department of Agriculture

Number Affected: 1;
Age: 8; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 3/21/2019;
Clinical Signs: Fever, Tachycardic, limb edema; Notes: The horse was sent to a Veterinary Hospital for ventricular tachycardia, limb edema and fever and was positive for non-neuropathogenic virus. This horse had been at St. George/Hurricane, UT at "Dixie Classic" Washington County Legacy Horsepark. Following this event, the horse DID NOT attend any additional equine events and did not have any further travel history.

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